Least Common Multiple (LCM) of 144 and 75
The least common multiple (LCM) of 144 and 75 is 3600.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 144 and 75?
First, calculate the GCD of 144 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 144 ÷ 75 = 1 remainder 69 |
| 2 | 75 ÷ 69 = 1 remainder 6 |
| 3 | 69 ÷ 6 = 11 remainder 3 |
| 4 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 66 and 78 | 858 |
| 72 and 13 | 936 |
| 35 and 147 | 735 |
| 116 and 122 | 7076 |
| 196 and 60 | 2940 |